mksnap_ffs appeared in FreeBSD 5.1.

PR:		212510
Approved by:	bcr (mentor)
MFC after:	4 days
Differential Revision:	https://reviews.freebsd.org/D8105

sbin/mksnap_ffs/mksnap_ffs.8

@@ -34,7 +34,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 14, 2011
+.Dd October 3, 2016
 .Dt MKSNAP_FFS 8
 .Os
 .Sh NAME
@@ -75,7 +75,7 @@ mount -o ro /dev/md0 /mnt/
 The
 .Nm
 utility first appeared in
-.Fx 5.0 .
+.Fx 5.1 .
 .Sh CAVEATS
 The disk full situation is not handled gracefully and may
 lead to a system panic when no free blocks are found.